General Electric’s Jack Welch. Research in Motion’s Jim Balsillie. And Wall Street investment banker Jamie Dimon of JPMorgan Chase. They are all superstar figures, known as much by name as for their business prowess. As chief executives they shaped corporate agendas and created a cult of personality that transcended their companies.

Few business leaders are as revered and renown as Jack Welch. As CEO and Chairman of General Electric, he led and mentored many young managers, many of whom would go on to lead their own companies. Among them was Doug Mack, CEO of One Kings Lane. Jack Welch taught him that "empowered organizations are the most successful and scalable." Watch below Mack reveal the key strategy lessons he learned from Welsh.

Cover of Jack: Straight from the Gut Former General Electric (GE) CEO, Jack Welch, constructed quite a legend for himself. So when he suggested that President Obama manipulated the Department of Labor's September jobs report, it brought to mind the possibility that Welch was confusing Obama with himself. I commend Fortune on [...]